I am using

\documentclass[a4paper 12pt]{article}


and

\bibliographystyle{unsrt}


to write a report. The problem i am facing is that latex is not putting comma between the author names in my bibliography. can anyone please help me to sort this problem out?

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Can you make a small document that shows the effect? –  Alan Munn May 14 '12 at 3:00
Comma will be put only if there are more than two authors. How many authors do you have? If there are only two authors, bibtex will put and in the middle when you use unsrt. –  Harish Kumar May 14 '12 at 4:44
No MWE after two weeks => 'too localized' as this is not the standard behaviour. –  Joseph Wright Jun 2 '12 at 11:35
This is probably due to a wrong way to input authors names in the .bib file. –  egreg Jun 2 '12 at 12:48

## closed as too localized by Marco Daniel, Joseph Wright♦Jun 2 '12 at 11:35

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Without a minimal working example your problem is too localized. The following examples shows commas between authors.

\documentclass[a4paper 12pt]{article}

\begin{document}
\cite{whole-collection}

\cite{unpublished-full}
\bibliographystyle{unsrt}
\bibliography{xampl}
\end{document}


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